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Significant residual red marrow on an MRI indicates the presence of active hematopoietic (blood cell-forming) tissue within the bone marrow, which can be a normal finding in certain populations, such as children or individuals with specific conditions. It may suggest increased blood cell production due to factors like anemia, recovery from chemotherapy, or other hematological disorders. In adults, an abnormal amount of red marrow can raise concerns about underlying pathology, necessitating further evaluation to rule out conditions such as malignancies or infiltrative diseases.
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What is red marrow conversion?
Normal bone marrowBone marrow aspiration Bone marrow biopsy Bone marrow culture Bone marrow from hip Bone marrow transplant has yellow marrow and red marrow. Yellow marrow is more of fat and red marrow is more of haematopoitic tissue. in infants marrow is predominantly hematopoietic with the exception of epiphyses & apophyses, which are predominantly fatty throughout life. with skeletal growth, red marrow is gradually replaced by fat. red marrow persistis longer in the vertebrae, pelvic bones, sternum, & proximal ends of the long tubular bones, during normal marrow conversion, residual islands of red marrow may subsist in the yellow marrow, as may fatty foci in red marrow.islands of red marrow residue may be a normal variant especially in obese women, cigarette smokers, marathon runners. It may be pathological some times in cases of hemolytic processes / anemia.
What does red marrow replacement on lumbar MRI mean?
Red marrow replacement on a lumbar MRI indicates the substitution of normal fatty marrow with hematopoietic (blood-forming) tissue, often due to various conditions such as anemia, infections, or malignancies. This change can suggest underlying pathology, such as increased demand for blood cell production or infiltration by abnormal cells. It's crucial to correlate these findings with clinical symptoms and possibly further investigations to determine the underlying cause.
What tissue produces erythrocytes?
bone marrow
What does abnormal bone marrow signal mean?
When an mri shows abnormal bone marrow signals in the hip, there could be a number of causes. The causes vary based on whether the abnormality is in the red or yellow marrow. You will need to consult a physician to discuss the possible reasons for the abnormality.
Which bone would contain significant amounts of red bone marrow in an adult?
in adulthood, the red bone marrow is in the shafts of most long bones.
Do reticulocytes have a nucleus?
No, reticulocytes do not have a nucleus. They are immature red blood cells that still contain some residual RNA when released from the bone marrow. As they mature into erythrocytes (mature red blood cells), the nucleus is extruded.
What are the two kinds of marrow?
red marrow and yellow marrow...
Functions of red bone marrow?
Red marrow produce red blood cells.
What is the job of the red marrow?
Red bone marrow produces red blood cells.
What are the two types of bone marrow?
Red Marrow, and Yellow Marrow.
Difference between red and yellow marrow?
Red marrow forms all type of cells (red and white). The yellow marrow stores fat.
What bone marrow is responsible for the manufacture of red white blood cells?
Think about it you have red bone marrow and yellow bone marrow, which one produces red blood cells? That's right red bone marrow (:
